Enhancement of self-trapped excitons and near-infrared emission in Bi<sup>3+</sup>/Er<sup>3+</sup> co-doped Cs<sub>2</sub>Ag<sub>0.4</sub>Na<sub>0.6</sub>InCl<sub>6</sub> double perovskite
Kashyap Dave, Wen‐Tse Huang, Tadeusz Leśniewski, Agata Lazarowska, Maciej Grzegorczyk, Sebastian Mahlik, Grzegorz Leniec, S.M. Kaczmarek, Ru‐Shi Liu
Abstract
at low temperatures (<7 K) for the first time. Moreover, an increase in pressure compressed the structure, which tuned the STE transition for free exciton emission, and a further increase in pressure distorted the cubic phase above 70 kbar.
Topics & Concepts
ExcitonDopingInfraredAtomic physicsPhysicsMaterials scienceAnalytical Chemistry (journal)Condensed matter physicsChemistryOpticsChromatographyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyOptical properties and cooling technologies in crystalline materials